microorganisms - conservation garden park · the garden guide will tell the students more about...

Microorganisms Suggested grade level: Sixth grade Objective: Students will create a report about microorganisms and water resources. Curriculum ties: � Sixth grade Science standard 5 Objective 1 a-c, Objective 2 a-e, Responsible and Healthy Living � Consumer and Community Health Standard 7 Objective 1 a-c. Time needed: � Prep: 1 hour � Pre trip: 2-3 hours over the course of several weeks � Garden: 1-2 hours � Post trip: 2-4+ hours Materials needed: � Potting soil, divided in half with one half of the soil baked in a hot oven � Pots � Seeds � Yeast, water, and sugar � Small plastic containers � A microscope (one is available at the Garden) Teacher notes: In this activity, students will learn about microorganisms in soil and water. Students should understand what microorganisms are, what they need to survive, and that microorganisms can both help and harm us. Procedures: Preparation To demonstrate that microorganisms can be helpful, take some potting soil and divide it. Bake part of the soil in a hot oven to kill all the microorganisms in the soil. Fill a couple of pots with the baked soil and a couple of pots with the regular soil. Call 801-565-4314 to schedule your visit to the Conservation Garden Park at Jordan Valley. In the classroom Explain to the students that the soil in half of the pots contains microorganisms and the soil in the other half does not. Help the students plant seeds in both of the soil samples and grow them in the exact same way. Notice the differences that occur. 1

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Microorganisms

Suggested grade level: Sixth grade

Objective: Students will create a report about microorganisms and water resources.

Curriculum ties: �SixthgradeSciencestandard5Objective1a-c,Objective2a-e,ResponsibleandHealthyLiving �ConsumerandCommunityHealthStandard7Objective1a-c.

Time needed: �Prep:1hour �Pretrip:2-3hoursoverthecourseofseveralweeks �Garden:1-2hours �Posttrip:2-4+hours

Materials needed: �Pottingsoil,dividedinhalfwithonehalfofthesoilbakedinahotoven �Pots �Seeds �Yeast,water,andsugar �Smallplasticcontainers �Amicroscope(oneisavailableattheGarden)

Teacher notes:Inthisactivity,studentswilllearnaboutmicroorganismsinsoilandwater.Studentsshouldunderstandwhatmicroorganismsare,whattheyneedtosurvive,andthatmicroorganismscanbothhelpandharmus.

Procedures:PreparationTodemonstratethatmicroorganismscanbehelpful,takesomepottingsoilanddivideit.Bakepartofthesoilinahotoventokillallthemicroorganismsinthesoil.Fillacoupleofpotswiththebakedsoilandacoupleofpotswiththeregularsoil.

Call801-565-4314toscheduleyourvisittotheConservationGardenParkatJordanValley.

In the classroomExplaintothestudentsthatthesoilinhalfofthepotscontainsmicroorganismsandthesoilintheotherhalfdoesnot.Helpthestudentsplantseedsinbothofthesoilsamplesandgrowthemintheexactsameway.Noticethedifferencesthatoccur.

Page 2: Microorganisms - Conservation Garden Park · The Garden guide will tell the students more about good and bad microorganisms in the water and soil at the Garden and show students the

Foranotherexample,useyeastforanexperiment.Explainthatyeastisahelpfulmicroorganismthatcausesbreadtorise.Takealittleyeastandmixitwithwaterandsugar,thenobserveitunderamicroscopesostudentscanseeitgrowing.Withtheteacher’shelp,studentsshouldbrainstormquestionsaboutmicroorganismsthatmightbeansweredbyobservationattheGarden.Suchquestionsmightinclude:Willyoufindmoremicroorganismsinthesoilorinthewater?WhichsoiltypesattheGardenarehometothemostmicroorganisms?Thefewestmicroorganisms?

FieldtripTheGardenguidewilltellthestudentsmoreaboutgoodandbadmicroorganismsinthewaterandsoilattheGardenandshowstudentsthe“RainGardening,”“Composting,”“OutsmartingInvaders,”and“SignatureSoils”exhibits.Theywillalsolearnaboutwaterconservationandhowitcanbeachievedthroughplanthealth.Studentsshouldconducttheirobservations/experimentsaboutmicroorganismsandlearnabouttheroletheyplayinagardenandinwaterquality.Useamicroscopetoobservemicroorganismsinthewater,thesoil,andthecompostattheGarden.

FollowupThegroupsshouldcreateareportabouttheirmicroorganismexperimentorobservation.BasedonwhattheylearnedattheGarden,theclasscanthenidentifyawater-relatedenvironmentalserviceprojectandcarryitout.

Assessment:Thestudents’reportswillindicatewhethertheyhavesuccessfullycarriedoutanexperimentaboutmicroorganisms.

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